Indium Tin Oxide Nanocomposites – Green Synthesis, Characterization, Morphology and Optical Properties Using Almond Gum

In this present study, Tin doped In2O3 metal oxide was synthesized by green synthesis using almond gum as a reducing agent. The prepared Nanocomposite (Ncs) was characterized by TG-DTA, XRD, SEM, EDX, FTIR, and UV-Vis spectroscopy. From TG-DTA able to get some information regarding calcination temperature. This was found out to be over 300 °C. The XRD study revealed that the In2O3-SnO2nanocomposite with crystal size 13 nm to 16 nm. The SEM study revealed that the morphology of prepared nanocomposite is Cubic phased sphere structure, and EDAX data show that elements in the composite of In2O3-SnO2 are O 74.71%, In 23.45%, and Sn 1.84%. FT-IR spectra confirm the formation of the In-O-In and Sn-O-Sn type of bonding. The UV-Vis spectra imply the bandgap of generated In2O3- Sno2Ncs is 3.83ev.

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Preparation and Optical Properties of Indium Tin Oxide/Epoxy Nanocomposites with Polyglycidyl Methacrylate Grafted Nanoparticles

ACS Applied Materials & Interfaces ◽

10.1021/am200841n ◽

2011 ◽

Vol 3 (9) ◽

pp. 3638-3645 ◽

Cited By ~ 90

Author(s):

Peng Tao ◽

Anand Viswanath ◽

Linda S. Schadler ◽

Brian C. Benicewicz ◽

Richard W. Siegel

Keyword(s):

Optical Properties ◽

Tin Oxide ◽

Indium Tin Oxide ◽

Epoxy Nanocomposites ◽

Grafted Nanoparticles

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Erratum to ‘Optical properties of indium tin oxide and fluorine-doped tin oxide surfaces: correlation of reflectivity, skin depth, and plasmon frequency with conductivity’

Journal of Alloys and Compounds ◽

10.1016/s0925-8388(02)00935-0 ◽

2002 ◽

Vol 343 (1-2) ◽

pp. 244 ◽

Cited By ~ 3

Author(s):

Scott H Brewer ◽

Stefan Franzen

Keyword(s):

Optical Properties ◽

Tin Oxide ◽

Indium Tin Oxide ◽

Skin Depth ◽

Oxide Surfaces ◽

Plasmon Frequency

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Green Synthesis, Characterization, and Antibacterial Properties of Silver Nanoparticles Obtained by Using Diverse Varieties of Cannabis sativa Leaf Extracts

Molecules ◽

10.3390/molecules26134041 ◽

2021 ◽

Vol 26 (13) ◽

pp. 4041

Author(s):

Adriana Cecilia Csakvari ◽

Cristian Moisa ◽

Dana G. Radu ◽

Leonard M. Olariu ◽

Andreea I. Lupitu ◽

...

Keyword(s):

Silver Nanoparticles ◽

Green Synthesis ◽

Antioxidant Capacity ◽

Cannabis Sativa ◽

Antibacterial Properties ◽

Green Building ◽

Human Pathogens ◽

Leaf Extracts ◽

Vis Spectroscopy ◽

Ft Ir

Cannabis sativa L. (hemp) is a plant used in the textile industry and green building material industry, as well as for the phytoremediation of soil, medical treatments, and supplementary food products. The synergistic effect of terpenes, flavonoids, and cannabinoids in hemp extracts may mediate the biogenic synthesis of metal nanoparticles. In this study, the chemical composition of aqueous leaf extracts of three varieties of Romanian hemp (two monoecious, and one dioecious) have been determined by Fourier-Transformed Infrared spectroscopy (FT-IR), high-performance liquid chromatography, and mass spectrometry (UHPLC-DAD-MS). Then, their capability to mediate the green synthesis of silver nanoparticles (AgNPs) and their pottential antibacterial applications were evaluated. The average antioxidant capacity of the extracts had 18.4 ± 3.9% inhibition determined by 2,2-diphenyl-1-picrylhydrazyl (DPPH•) and 78.2 ± 4.1% determined by 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS™) assays. The total polyphenolic content of the extracts was 1642 ± 32 mg gallic acid equivalent (GAE) L−1. After this, these extracts were reacted with an aqueous solution of AgNO3 resulting in AgNPs, which were characterized by UV−VIS spectroscopy, FT-IR, scanning electron microscopy (SEM-EDX), and dynamic light scattering (DLS). The results demonstrated obtaining spherical, stable AgNPs with a diameter of less than 69 nm and an absorbance peak at 435 nm. The mixture of extracts and AgNPs showed a superior antioxidant capacity of 2.3 ± 0.4% inhibition determined by the DPPH• assay, 88.5 ± 0.9% inhibition as determined by the ABTS•+ assay, and a good antibacterial activity against several human pathogens: Escherichia coli, Klebsiella pneumoniae, Pseudomonas fluorescens, and Staphylococcus aureus.

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